Support adding puncutations to text for node-addon-api (#876)

scripts/node-addon-api/lib/punctuation.js

@@ -0,0 +1,15 @@
+const addon = require('./addon.js');
+
+class Punctuation {
+  constructor(config) {
+    this.handle = addon.createOfflinePunctuation(config);
+    this.config = config;
+  }
+  addPunct(text) {
+    return addon.offlinePunctuationAddPunct(this.handle, text);
+  }
+}
+
+module.exports = {
+  Punctuation,
+}

scripts/node-addon-api/lib/sherpa-onnx.js

@@ -6,6 +6,7 @@ const vad = require('./vad.js');
 const slid = require('./spoken-language-identification.js');
 const sid = require('./speaker-identification.js');
 const at = require('./audio-tagg.js');
+const punct = require('./punctuation.js');
 
 module.exports = {
   OnlineRecognizer: streaming_asr.OnlineRecognizer,
@@ -20,4 +21,5 @@ module.exports = {
   SpeakerEmbeddingExtractor: sid.SpeakerEmbeddingExtractor,
   SpeakerEmbeddingManager: sid.SpeakerEmbeddingManager,
   AudioTagging: at.AudioTagging,
+  Punctuation: punct.Punctuation,
 }